APPENDIX IV. 333 The flower buds are sraaller and rounder, that is, less ribbed and pointed than those of A. salicina, and also much more numerous in the head. SUB-SERIES RaCEMOSAE. 8. A. Jennerae,n. sp.—"295. At waterhole about 80 miles north-east of C. (arrow), 2, 8th June, 1911." Frutex vel arbor parva, glaber, ramulis teretibus. Phyllodiis lanceolatis, rectis vel pauUo ciu-vatis, apice basique sensim attenuatis, 15 cm. longis et 1.5 cm. latissima parte, l-nervosia, nervis secondariis angulum 30 nervum medium facientibus, nullis nervis, second- ariis praecipue prominentibus. Racemis brevibus, capitulis globosis ca. 36-floris, pler¬ umque 5-meris, calyce truncato, brevissime lobato, parte superiore vUloso, corolla calycem oa. triente superante. Petalis liberis, glabris. Pistillo laeve vel pruinoso. Leguminbus vel seminibus non visis. Videtur A. difformi, R. T. Baker proxime affinis. A shrub or small tree, glabrous in all its parts, branehlets terete, or sUghtly angular through the decurrence of thin ribs proceeding frora the bases of the phyUodia. PhyUodia lanceolate, straight or sUghtly curved, tapering graduaUy to both ends, up to 15 cm. (6 in.) long, and about 1.5 cm. in the widest part. With from 1-3 marginal glands. One-nerved, the secondary veins meeting the midrib at an angle of about 30° and spreading. No secondary vein specially prominent. Racemes rather short but loose, with several globular flower heads of about 36 in the head, mostly 5-merous. Bract w ith circular dark-brown top, fringed ; on a slender pedicel. Calyx truncate, very shortly lobed, hairy at the top, extending two-thirds or more up the corolla. PetdU free, glabrous, except for a few scattered hairs. Pistil smooth or hoary. Pods or seeds not seen. The name is given in honour of Miss AmeUa Maud Jenner, Librarian, Botanic Gardens, Sydney, to whom I am indebted for useful assistance in the preparation of this paper. This species belongs to the series Uninerves, Section Racemosae. In the absence of pods and seeds, it may be prorisionally placed in the penninervis-retinodes group, and its nearest affinity appears to be A. difformis, R. T. Baker, Proc, Linn. Soc, N.S.W., xxii., 154 (1897), a species which is, so far as we know, confined to the drier parts of New South "Wales. The differences appear to be absence of a second vein paraUel to the midrib, which is often found in A, difformis ; the latter has also a more falcate phyUode with a more rounded apex and a pecuUar thickening at the base. A, difformis has also longer racemes with more numerous heads of flowers. As regards the structure of the individual flowers I can detect no im¬ portant difference between them and those of A. difformis. Considering aU the points, I think there are sufficient differences between the plant under consideration and A. difformis, to warrant a narae being given to it: its final position can onlj' be assigned with certainty when fnuts are available. 9. A. salicina, Lindl, var. variant, Benth. " 7. Hot Spruigs, Dalhousie Station, S.A., 14th Pebruary, 1911. Host of No. 8." (presumably a Loranth). Flowers and pods. "13. Charlotte Waters, 21st Pebruary, 1911. Near river bed, grows to 20 feet." Flowers and pods.